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0102030405
Factory Direct GW4-40.5 40.5KV Indoor Electric Isolation Switch Disconnecter Switch with Superior Insulation.1.jpg
Factory Direct GW4-40.5 40.5KV Indoor Electric Isolation Switch Disconnecter Switch with Superior Insulation.4.jpg
Factory Direct GW4-40.5 40.5KV Indoor Electric Isolation Switch Disconnecter Switch with Superior Insulation.2.jpg
Factory Direct GW4-40.5 40.5KV Indoor Electric Isolation Switch Disconnecter Switch with Superior Insulation.3.jpg
Factory Direct GW4-40.5 40.5KV Indoor Electric Isolation Switch Disconnecter Switch with Superior Insulation.5.jpg
Factory Direct GW4-40.5 40.5KV Indoor Electric Isolation Switch Disconnecter Switch with Superior Insulation.6.jpg

Factory Direct GW4-40.5 40.5KV Indoor Electric Isolation Switch Disconnecter Switch with Superior Insulation

All parts are treated with hot-dip galvanizing for corrosion prevention. Hot dip galvanizing cannot guarantee the required rotation parts, and stainless steel materials are generally used. Fasteners below M8 are made of stainless steel, while the rest are hot-dip galvanized.

The conductive part of the copper tube is a soft connection type, with a "handshake" type self operated contact finger in the middle. The spring is externally pressed and no current passes through. The isolation switch only has one contact point in the middle, and the rest are fixed and connected with soft connections.

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    Product Details

    Product Overview

    Adopting a new contact structure, fixing one end of the contact piece to the contact seat, and relying on the deformation of the contact piece and the contact pressure generated by the spring, the sliding contact at the end of the contact finger is changed to a fixed contact, improving the reliability of conductivity;

    Change the finger spring to an external type to avoid spring diversion;

    Add magnetic lock plates to improve dynamic and thermal stability performance.

    The rotating part is equipped with a self-lubricating sleeve and does not require lubricating grease.

    The main wiring terminal is a flat plate type. When the current level is 630A, tin plating is applied to the surface of conductive components; When the current level is 1250A-4000A, the surface of conductive components is silver plated. The upper and lower caps of the ceramic parts are hot-dip galvanized for rust prevention, and ceramic parts with different climbing distances can be selected according to the different pollution levels in the region; During the production and manufacturing process, the creepage distance is designed to be higher than the standard value based on positive deviation control.

    The switch post insulator has high strength density, stability and reliability. The formula is made of high-strength ceramic material, which reduces the dispersion of product strength and increases the tensile strength of the product. The structural design has already provided a large strength reserve for the product, ensuring stability and reliability during operation.

    Product Parameters

    Rated Voltage kV 40.5 72.5 126
    Rated Insulation Level 1min Power Frequency Withstand Voltage To Ground 95 140 230
    Lightning Impulse Withstand Voltage (Peak Value) Break 115 160 245
    Rated Frequency Hz 50
    Rated Current A 400, 630, 1000, 1250, 1600, 2000, 3150, 4000
    Rated Short - time Withstand Current kA 20, 20, 31.5, 31.5, 40, 40, 50, 50
    Rated Peak Withstand Current kA 40, 50, 63, 80, 100, 100, 125, 125
    Rated Short - circuit Duration - Main Knife/Earthing Knife S 4/2
    Rated Terminal Mechanical Load Horizontal and vertical loads N 750 1000
    Horizontal lateral load N 500 750
    Vertical force N 750 1000
    Creepage Distance mm 1025 - 1250 1800 - 2250 3150 - 3900
    Mechanical Life Times 2000
    Human operated mechanism Without grounding V CS11(F)
    Single grounding CS8 - 6D(F)
    Single grounding Main Knife CS14G(F); Earthing Knife CS11(F)
    Control circuit voltage AC220, DC110, DC220
    Electric motor operating mechanism model CJ6
    Electric motor voltage V AC380
    Control circuit voltage V AC220,AC380,DC220
    Opening and closing time S 6± 1
    Product weight ungrounded KG 360 500 700
    Single grounding 410 600 800
    Double grounding 460 700 900

    Appearance and installation dimensions

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